apertures

The optical near-field distribution of nanometric apertures wasinvestigated using the finite-difference time-domain ( FDTD ) method.

扫描近场光学显微镜突破了传统远场光学的 衍射 极限,能够获得超高光学分辨率.

In chapter 3 the mechanism of extraordinary transmission through metal film perforated by periodic arrays of apertures is discussed.

第三章主要讨论正方形小孔和同轴波导周期性阵列的超强透射机制。第一部分介绍圆形小孔阵列的超强透射机制，第二部分介绍一维狭缝不同厚度时的投射机理。

These apertures restrict the amount of light that can reach the detector.

这些光阑将会限制到达探测器的光线的总量.

Electroformed apertures reproduce the mandrel photo resist finish faithfully and do not require any further processing.

电铸复制卷筒照片孔型图,不需要进一步的加工.

Zernike modal wavefront reconstruction algorithm was used commonly for Hartmann Shack sensor in circle apertures.

利用哈特曼夏克传感器测量圆孔径内波像差时,通常使用泽尼克模式复原算法.

The virtual anode formation time and propagation velocity at different pressure with different apertures are investigated.

比较了在不同气压和空心阴极孔径下虚阳极的形成时间和扩展速度

Then numerical simulations on 18 sets of apertures based on the optimal baffle opening layout.

然后根据折流板结构，采用已确立的优化开孔方案，对18套开孔尺寸进行的数值模拟研究。

The apertures of the inlet and the outlet pipes are same for reducing flow speed loss.

进出口管件口径相同从而减少流速损失.

Note as well that the above considerations apply when all the apertures are illuminated completely coherently.

还要注意,当所有的孔都以完全相干的方式照明时,上述讨论也适用.

Some characters indicate that the pollen aperture of genus Osmanthus is on the transitional stage from simple to compound apertures in Oleaceae.

很多特点表明，木犀属花粉的萌发孔在木犀科中处于由简单萌发孔向复合萌发孔过渡的阶段。

Then they drilled an aperture3 each day, and on the seventh day, they completed the seven apertures but Hun Dun died.

于是它们一天凿出一个孔窍，到了第七天，七窍是凿成了，但浑沌也死了。

Analysis on Effect of Underwater Blasting with Different Apertures

不同孔径水下炮孔爆破的效果分析

The frequency selectivity relies on the interaction between periodic structure and electromagnetic wave, which behaves as the total reflection ( for patches) or transmission ( using apertures) in the neighborhood of the element resonant frequency.

FSS的频率选择性源于其周期性结构与电磁波的相互作用。当入射波的频率接近贴片或孔径的谐振频率点时，FSS表现出全反射或全透射特性。

It mostly introduce advance check out and ratio at large batch, small apertures, soft material and with espe-cial tools and process, accordingly get twice the result with half the effort.

主要介绍在批量大、孔径小、材质较软的情况下，如何采用特殊的工具及工艺来提高产品的合格率和效率，从而达到事半功倍的效果。

Methods: With approach of canine fossa and widing natural ostiums apertures, 22 cases of maxillary benign space occupying lesion were treated.

方法：采用经犬齿窝进路和扩大自然窦口的方法对双侧上颌窦良性占位性病变进行治疗。

The dissertation also gives another interferometric processing method using three apertures to detect, locate and image moving target and describes its processing scheme.

文中还给出一种三孔径干涉SAR动目标检测、定位、测速及成像方法，描述了该方法的检测原理及检测框图。

The result showed as below: the pollen shape of the Chinese dwarf cherry were nearly spheroidal or super-spheroidal and the type of apertures are tricolporate.

结果表明：欧李花粉形态为长球形或椭圆形，萌发孔为三孔沟类型；

The reflection and the radiation characteristics of the slot pair are calculated. Some curves are presented, including the variation of the magnitude and phase of electric field in slot apertures and the VSWR in waveguide with slot length and frequency.

计算了缝隙对的反射特性与辐射特性，给出了缝隙对口面电场的幅值和相位以及波导驻波比随缝隙长度和频率的变化曲线。

In a white-light optical processing system, if the filter apertures vibrate randomly around the rainbow diffraction spectra at Fourier plane, the amplitude grain noise of the grating encoded film in the output plane can be suppressed considerably and the output SNR is improved.

本文提出在白光信息处理中，可通过使滤波孔在傅里叶面彩虹状衍射谱附近做随机振动的方法，达到抑制光栅编码片的振幅型颗粒噪声。

During the development of the male gametophytes, mitosis took place two times and the mature pollens were three-cell ones with three apertures.

雄配子体发育过程包括2次有丝分裂，成熟花粉为3细胞型，具3个萌发孔。